23. Three Points of Network Insulation
When we talk about insulation in project terms, we mean strategically protecting the work of the project network in order to enable delivery of the project on or before the due date, at or below budget, and with full project scope.
There are three points in any project network that are logical places to insulate a project against variability. The first is the project due date. The second is any point that feeds into the project’s critical chain or critical path. The third (which does not exist in all projects) is any point that represents a critical milestone date to the project.
Over the past 20 years, we have found the most effective method of insulating projects is with a few buffers ...